She achieved the medal at a time of 52 minute 78 seconds after Indian competitor Nirmla with a victory of 52 minute one seconds.
Earlier, Quach Thi Lan had ever owned a sliver medal in 400 m at Asian Games 2014 with her achievement of 52 minute 6 seconds.
In the men’s 400 meters, her brother- Quach Cong Lich was only ranked the sixth position with a time of 46 minute 51 seconds.
At this time, Vietnam team had total one golden and one silver medal.